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| 型号： | M308A3SGP |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | MROM, 32 MHz, MICROCONTROLLER, PQFP100 |
| 封装： | 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100 |
| 文件页数： | 14/70页 |
| 文件大小： | 1203K |
| 代理商： | M308A3SGP |
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M32C/8A Group
2. Central Processing Unit (CPU)
REJ03B0213-0111 Rev.1.11 Mar 31, 2009
Page 19 of 66
2.1
General Registers
2.1.1
Data Registers (R0, R1, R2, and R3)
R0, R1, R2, and R3 are 16-bit registers for transfer, arithmetic and logic operations. R0 and R1 can be split into
high-order (R0H/R1H) and low-order bits (R0L/R1L) to be used separately as 8-bit data registers.
R0 can be combined with R2 and used as a 32-bit data register (R2R0). The same applies to R3R1.
2.1.2
Address Registers (A0 and A1)
A0 and A1 are 24-bit registers used for A0-/A1-indirect addressing, A0-/A1-relative addressing, transfer,
arithmetic and logic operations.
2.1.3
Static Base Register (SB)
SB is a 24-bit register used for SB-relative addressing.
2.1.4
Frame Base Register (FB)
FB is a 24-bit register used for FB-relative addressing.
2.1.5
User Stack Pointer (USP) and Interrupt Stack Pointer (ISP)
The stack pointers (SP), USP and ISP, are 24 bits wide each. The U flag is used to switch between USP and ISP.
Refer to 2.1.8 Flag Register (FLG) for details on the U flag. Set USP and ISP to even addresses to execute an
interrupt sequence efficiently.
2.1.6
Interrupt Table Register (INTB)
INTB is a 24-bit register indicating the starting address of a relocatable interrupt vector table.
2.1.7
Program Counter (PC)
PC is 24 bits wide and indicates the address of the next instruction to be executed.
2.1.8
Flag Register (FLG)
FLG is a 16-bit register indicating the CPU state.
2.1.8.1
Carry Flag (C)
The C flag indicates whether or not carry or borrow has been generated after executing an instruction.
2.1.8.2
Debug Flag (D)
The D flag is for debugging only. Set it to 0.
2.1.8.3
Zero Flag (Z)
The Z flag becomes 1 when an arithmetic operation results in 0; otherwise becomes 0.
2.1.8.4
Sign Flag (S)
The S flag becomes 1 when an arithmetic operation results in a negative value; otherwise becomes 0.
2.1.8.5
Register Bank Select Flag (B)
Register bank 0 is selected when the B flag is set to 0. Register bank 1 is selected when this flag is set to 1.
2.1.8.6
Overflow Flag (O)
The O flag becomes 1 when an arithmetic operation results in an overflow; otherwise becomes 0.
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相关代理商/技术参数 |
参数描述 |
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| M308A5SGP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU |
| M308A5SGP#U5 | 功能描述:MCU ROMLESS 12K RAM 144-LQFP RoHS:是 类别:集成电路 (IC) >> 嵌入式 - 微控制器， 系列:M16C™ M32C/80/8A 产品培训模块:CAN Basics Part-1 CAN Basics Part-2 Electromagnetic Noise Reduction Techniques Part 1 M16C Product Overview Part 1 M16C Product Overview Part 2 标准包装:1 系列:M16C™ M32C/80/87 核心处理器:M32C/80 芯体尺寸:16/32-位 速度:32MHz 连通性:EBI/EMI，I²C，IEBus，IrDA，SIO，UART/USART 外围设备:DMA，POR，PWM，WDT 输入/输出数:121 程序存储器容量:384KB（384K x 8） 程序存储器类型:闪存 EEPROM 大小:- RAM 容量:24K x 8 电压 - 电源 (Vcc/Vdd):3 V ~ 5.5 V 数据转换器:A/D 34x10b，D/A 2x8b 振荡器型:内部 工作温度:-20°C ~ 85°C 封装/外壳:144-LQFP 包装:托盘 产品目录页面:749 (CN2011-ZH PDF) 配用:R0K330879S001BE-ND - KIT DEV RSK M32C/87 |
| M308B6FCGP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU |
| M308B6FGGP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU M16C FAMILY / M32C/80 SERIES |
| M308B6SGP | 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:RENESAS MCU |
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